#Exchange Admin Center

3 guides

Comparison cover showing a shared mailbox accessed by several users next to a single licensed user mailbox in Microsoft 365

Shared Mailbox vs User Mailbox in Microsoft 365: What's the Difference?

Shared mailbox vs user mailbox in Microsoft 365: licensing, sign-in, sending, storage limits, and when to convert one to the other. A practical admin comparison.

MCSA Guru Team Sep 2, 2026 8 min read

Diagram-style cover showing an email message traced through Exchange Online with delivery statuses along the path

Microsoft 365 & Exchange

How to Trace an Email Message in Exchange Online

Use message trace in the Exchange admin center to find where an email went: read Delivered, Pending, Failed, and Quarantined statuses, and run a detailed trace for older mail.

MCSA Guru Team Jul 9, 2026 7 min read

Diagram-style cover showing a single shared mailbox in Microsoft 365 with several users granted Full Access and Send As permissions

Microsoft 365 & Exchange

How to Create a Shared Mailbox in Microsoft 365

Create a shared mailbox in Microsoft 365 the right way: admin center and Exchange admin center steps, Full Access vs Send As permissions, and the 50GB license rule.

MCSA Guru Team Jun 3, 2026 8 min read